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4c1f23cfb8
meson.build already decides whether it is possible to build the TLS test suite. There is no need to include that in the source as well. The dummy tests in fact are broken because they do not produce valid TAP output (empty output is rejected by scripts/tap-driver.pl). Cc: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
335 lines
11 KiB
C
335 lines
11 KiB
C
/*
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* QEMU I/O channel TLS test
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*
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* Copyright (C) 2015 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#include "qemu/osdep.h"
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#include "crypto-tls-x509-helpers.h"
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#include "io/channel-tls.h"
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#include "io/channel-socket.h"
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#include "io-channel-helpers.h"
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#include "crypto/init.h"
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#include "crypto/tlscredsx509.h"
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#include "qapi/error.h"
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#include "qemu/module.h"
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#include "authz/list.h"
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#include "qom/object_interfaces.h"
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#define WORKDIR "tests/test-io-channel-tls-work/"
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#define KEYFILE WORKDIR "key-ctx.pem"
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struct QIOChannelTLSTestData {
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const char *servercacrt;
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const char *clientcacrt;
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const char *servercrt;
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const char *clientcrt;
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bool expectServerFail;
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bool expectClientFail;
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const char *hostname;
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const char *const *wildcards;
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};
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struct QIOChannelTLSHandshakeData {
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bool finished;
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bool failed;
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};
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static void test_tls_handshake_done(QIOTask *task,
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gpointer opaque)
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{
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struct QIOChannelTLSHandshakeData *data = opaque;
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data->finished = true;
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data->failed = qio_task_propagate_error(task, NULL);
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}
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static QCryptoTLSCreds *test_tls_creds_create(QCryptoTLSCredsEndpoint endpoint,
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const char *certdir)
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{
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Object *parent = object_get_objects_root();
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Object *creds = object_new_with_props(
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TYPE_QCRYPTO_TLS_CREDS_X509,
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parent,
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(endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER ?
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"testtlscredsserver" : "testtlscredsclient"),
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&error_abort,
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"endpoint", (endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER ?
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"server" : "client"),
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"dir", certdir,
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"verify-peer", "yes",
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"priority", "NORMAL",
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/* We skip initial sanity checks here because we
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* want to make sure that problems are being
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* detected at the TLS session validation stage,
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* and the test-crypto-tlscreds test already
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* validate the sanity check code.
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*/
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"sanity-check", "no",
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NULL
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);
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return QCRYPTO_TLS_CREDS(creds);
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}
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/*
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* This tests validation checking of peer certificates
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*
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* This is replicating the checks that are done for an
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* active TLS session after handshake completes. To
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* simulate that we create our TLS contexts, skipping
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* sanity checks. When then get a socketpair, and
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* initiate a TLS session across them. Finally do
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* do actual cert validation tests
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*/
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static void test_io_channel_tls(const void *opaque)
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{
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struct QIOChannelTLSTestData *data =
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(struct QIOChannelTLSTestData *)opaque;
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QCryptoTLSCreds *clientCreds;
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QCryptoTLSCreds *serverCreds;
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QIOChannelTLS *clientChanTLS;
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QIOChannelTLS *serverChanTLS;
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QIOChannelSocket *clientChanSock;
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QIOChannelSocket *serverChanSock;
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QAuthZList *auth;
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const char * const *wildcards;
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int channel[2];
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struct QIOChannelTLSHandshakeData clientHandshake = { false, false };
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struct QIOChannelTLSHandshakeData serverHandshake = { false, false };
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QIOChannelTest *test;
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GMainContext *mainloop;
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/* We'll use this for our fake client-server connection */
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g_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, channel) == 0);
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#define CLIENT_CERT_DIR "tests/test-io-channel-tls-client/"
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#define SERVER_CERT_DIR "tests/test-io-channel-tls-server/"
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mkdir(CLIENT_CERT_DIR, 0700);
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mkdir(SERVER_CERT_DIR, 0700);
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unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT);
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unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_CERT);
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unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_KEY);
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unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT);
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unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_CERT);
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unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_KEY);
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g_assert(link(data->servercacrt,
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SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT) == 0);
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g_assert(link(data->servercrt,
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SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_CERT) == 0);
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g_assert(link(KEYFILE,
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SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_KEY) == 0);
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g_assert(link(data->clientcacrt,
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CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT) == 0);
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g_assert(link(data->clientcrt,
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CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_CERT) == 0);
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g_assert(link(KEYFILE,
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CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_KEY) == 0);
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clientCreds = test_tls_creds_create(
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QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT,
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CLIENT_CERT_DIR);
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g_assert(clientCreds != NULL);
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serverCreds = test_tls_creds_create(
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QCRYPTO_TLS_CREDS_ENDPOINT_SERVER,
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SERVER_CERT_DIR);
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g_assert(serverCreds != NULL);
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auth = qauthz_list_new("channeltlsacl",
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QAUTHZ_LIST_POLICY_DENY,
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&error_abort);
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wildcards = data->wildcards;
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while (wildcards && *wildcards) {
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qauthz_list_append_rule(auth, *wildcards,
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QAUTHZ_LIST_POLICY_ALLOW,
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QAUTHZ_LIST_FORMAT_GLOB,
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&error_abort);
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wildcards++;
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}
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clientChanSock = qio_channel_socket_new_fd(
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channel[0], &error_abort);
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g_assert(clientChanSock != NULL);
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serverChanSock = qio_channel_socket_new_fd(
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channel[1], &error_abort);
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g_assert(serverChanSock != NULL);
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/*
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* We have an evil loop to do the handshake in a single
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* thread, so we need these non-blocking to avoid deadlock
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* of ourselves
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*/
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qio_channel_set_blocking(QIO_CHANNEL(clientChanSock), false, NULL);
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qio_channel_set_blocking(QIO_CHANNEL(serverChanSock), false, NULL);
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/* Now the real part of the test, setup the sessions */
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clientChanTLS = qio_channel_tls_new_client(
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QIO_CHANNEL(clientChanSock), clientCreds,
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data->hostname, &error_abort);
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g_assert(clientChanTLS != NULL);
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serverChanTLS = qio_channel_tls_new_server(
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QIO_CHANNEL(serverChanSock), serverCreds,
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"channeltlsacl", &error_abort);
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g_assert(serverChanTLS != NULL);
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qio_channel_tls_handshake(clientChanTLS,
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test_tls_handshake_done,
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&clientHandshake,
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NULL,
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NULL);
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qio_channel_tls_handshake(serverChanTLS,
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test_tls_handshake_done,
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&serverHandshake,
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NULL,
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NULL);
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/*
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* Finally we loop around & around doing handshake on each
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* session until we get an error, or the handshake completes.
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* This relies on the socketpair being nonblocking to avoid
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* deadlocking ourselves upon handshake
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*/
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mainloop = g_main_context_default();
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do {
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g_main_context_iteration(mainloop, TRUE);
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} while (!clientHandshake.finished ||
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!serverHandshake.finished);
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g_assert(clientHandshake.failed == data->expectClientFail);
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g_assert(serverHandshake.failed == data->expectServerFail);
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test = qio_channel_test_new();
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qio_channel_test_run_threads(test, false,
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QIO_CHANNEL(clientChanTLS),
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QIO_CHANNEL(serverChanTLS));
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qio_channel_test_validate(test);
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test = qio_channel_test_new();
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qio_channel_test_run_threads(test, true,
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QIO_CHANNEL(clientChanTLS),
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QIO_CHANNEL(serverChanTLS));
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qio_channel_test_validate(test);
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unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT);
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unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_CERT);
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unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_KEY);
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unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT);
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unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_CERT);
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unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_KEY);
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rmdir(CLIENT_CERT_DIR);
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rmdir(SERVER_CERT_DIR);
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object_unparent(OBJECT(serverCreds));
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object_unparent(OBJECT(clientCreds));
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object_unref(OBJECT(serverChanTLS));
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object_unref(OBJECT(clientChanTLS));
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object_unref(OBJECT(serverChanSock));
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object_unref(OBJECT(clientChanSock));
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object_unparent(OBJECT(auth));
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close(channel[0]);
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close(channel[1]);
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}
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int main(int argc, char **argv)
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{
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int ret;
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g_assert(qcrypto_init(NULL) == 0);
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module_call_init(MODULE_INIT_QOM);
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g_test_init(&argc, &argv, NULL);
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g_setenv("GNUTLS_FORCE_FIPS_MODE", "2", 1);
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mkdir(WORKDIR, 0700);
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test_tls_init(KEYFILE);
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# define TEST_CHANNEL(name, caCrt, \
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serverCrt, clientCrt, \
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expectServerFail, expectClientFail, \
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hostname, wildcards) \
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struct QIOChannelTLSTestData name = { \
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caCrt, caCrt, serverCrt, clientCrt, \
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expectServerFail, expectClientFail, \
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hostname, wildcards \
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}; \
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g_test_add_data_func("/qio/channel/tls/" # name, \
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&name, test_io_channel_tls);
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/* A perfect CA, perfect client & perfect server */
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/* Basic:CA:critical */
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TLS_ROOT_REQ(cacertreq,
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"UK", "qemu CA", NULL, NULL, NULL, NULL,
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true, true, true,
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true, true, GNUTLS_KEY_KEY_CERT_SIGN,
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false, false, NULL, NULL,
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0, 0);
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TLS_CERT_REQ(servercertreq, cacertreq,
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"UK", "qemu.org", NULL, NULL, NULL, NULL,
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true, true, false,
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true, true,
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GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT,
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true, true, GNUTLS_KP_TLS_WWW_SERVER, NULL,
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0, 0);
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TLS_CERT_REQ(clientcertreq, cacertreq,
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"UK", "qemu", NULL, NULL, NULL, NULL,
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true, true, false,
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true, true,
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GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT,
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true, true, GNUTLS_KP_TLS_WWW_CLIENT, NULL,
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0, 0);
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const char *const wildcards[] = {
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"C=UK,CN=qemu*",
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NULL,
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};
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TEST_CHANNEL(basic, cacertreq.filename, servercertreq.filename,
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clientcertreq.filename, false, false,
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"qemu.org", wildcards);
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ret = g_test_run();
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test_tls_discard_cert(&clientcertreq);
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test_tls_discard_cert(&servercertreq);
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test_tls_discard_cert(&cacertreq);
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test_tls_cleanup(KEYFILE);
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rmdir(WORKDIR);
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return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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